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A202744 as a simple table

n a(n)
1 2
2 8
3 38
4 140
5 638
6 3032
7 14258
8 70136
9 350594
10 1767452
11 9029918
12 46519544
13 241210598
14 1258499756
15 6598909298
16 34748813672
17 183679125026
18 974136322892
19 5181534476414
20 27634187724392
21 147730324961126
22 791463055043228

[2,8,38,140,638,3032,14258,70136,350594,1767452,
 9029918,46519544,241210598,1258499756,6598909298,
 34748813672,183679125026,974136322892,
 5181534476414,27634187724392,147730324961126,
 791463055043228]

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Last modified August 12 04:52 EDT 2022. Contains 356067 sequences. (Running on oeis4.)